Honda CRF450R 2012 Service Manual

(
I.
FRONT WHEEL/SUSPENSION/STEERING
Do not disconnect Remove the bolts and front brake master cyl inder
the hydraulic line. holder.
Keep t he brake
master cylinder
upright to pr event
air from entering
t he hyd raulic
system.
Remove the wire bands.
Remove the screws and engine starter switch hous-
ing.
If you will not disassemble the throttle housing,
remove the throttle housing as an assembly as fol-
lows .
loosen the throttle housing bolts, turn the handle-
bar to the right fully, then remove the throttle hous-
ing.
If you will disassemble the throttle housing , remove
the dust cover and bolts .
MASTER CY I-'NIlER
BOLTS
STARTER SWITCH HOUSING
'05 - '06 shown:
THI'O -rTLEHOUSING
TS
'05 - '06 shown:
THRonLE HOUSING
DUST COVER
BOLTS
14 - 33
.-

Honda CRF450R 2012 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.5:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Ignition	CDI
Transmission	Close-ratio five-speed
Final Drive	#520 chain; 13T/48T
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-19
Seat Height	37.6 inches
Ground Clearance	13.2 inches
Front Suspension	12.2 inches travel
Rear Suspension	Pro-Link Showa single shock with spring preload, rebound and compression damping adjustability; 12.4 inches travel
Rake	27° 04'
Trail	4.6 inches
Wheelbase	58.3 inches
Curb Weight	249 pounds